A US woman who shot and killed her husband and two adult children before taking her own life is thought to have committed the shocking crime as a result of being ostracised from the religion she was raised in.

A federal judge sentenced a former Arkansas judge Wednesday to five years in prison — a stiffer punishment than prosecutors recommended — after he admitted giving young male defendants lighter sentences in return for personal benefits that included sexual favours.

Every time I tell a mate I’m doing a story on cryptocurrency, they invariably ask me the same two questions: should they invest their own hard-earned money, and which cryptocurrency will get them a Lamborghini/yacht/island quickest?

In a 60 Minutes online exclusive, reporter Liz Hayes quizzed Australian Prime Minister Malcolm Turnbull on his relationship with the unpredictable Twitter aficionado and US president Donald Trump ahead of their meeting at the White House Friday.

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ASIO boss David Irvine agreed, adding the long and close co-operation between Australia and Indonesia on police and intelligence matters had not been impacted by the recent strains in the relationship.

"It's never really been interrupted. It will continue," he told the National Press Club.

Although intelligence and police cooperation has been officially frozen, the neighbours have been acting against the threat of Islamic State (IS) terror in tandem.

As Prime Minister Tony Abbott this month announced scaled up counter-terror laws, Dr Yudhoyono officially outlawed Indonesian support for IS to counter a small swell of support for the group.

Indonesia's National Counter-terrorism Agency (BNPT) Jakarta bureau chief Anwar Sanusi says the new agreement with Australia can only help intelligence sharing in the region.

However, he stresses the political situation has never impeded cooperation on matters as critical as terrorism.

"Counter-terrorism is different to political matters," he told AAP on Wednesday.

"That's why we are continually cooperating with many countries like the US, Russia, France, China, and others including Australia, so that there's no space for terrorism in this world."

The federal government says about 160 Australians are fighting with terrorist groups in the Middle East, while Indonesia suspects around 60 of its citizens are involved.

Australia is discussing expanding joint counter-terrorism and law enforcement measures with a number of regional partners also grappling with the threat of home-grown terrorism and radicals returning from foreign battlegrounds.